InRow Direct Expansion

Explore InRow RD in 3D animation.The InRow Direct Expansion unit closely couples the cooling with the IT heat load. This prevents hot air recirculation, while improving cooling predictability and allowing for a pay as you grow environment. Available in self-contained, fluid cooled, and air-cooled configurations, with or without humidity control, these products meet the diverse requirements for closet, server room, and data center cooling. IT operators looking to improve efficiency or deploy higher density equipment will benefit from the modular design of the InRow Direct Expansion products. The intelligent controls of the InRow Direct Expansion products actively adjust fan speed and refrigerant flow to match the IT heat load to maximize efficiency and address the dynamic demands of today's IT environments.

Placing the unit in the row of racks moves the source of cooling closer to the heat load. This eliminates air mixing and provides a predictable cooling architecture.

Rack inlet temperature control

Reduces the risk of hot spots at the rack level

Active response controls

Monitors and actively adjusts cooling capacity to ensure proper server inlet temperatures. Through the microprocessor controller, visibility into the operation and health of the unit is provided.

Serviceability

Easy service access

Allows for all serviceable components to be replaced/maintained by easily accessible panels/doors.

Manageability

Building management system integration

Send alarms and data points allowing you to manage critical building infrastructure from a single system.

Real-Time capacity monitoring

Real-time display of current and available cooling.

Microprocessor controller

Utilizes intelligent, active response control, and real-time monitoring. The system is controlled by a microprocessor providing high level control functionality and human interface via a four line, eighty character, alphanumeric display

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Sizing and run time calculators are based on Watt ratings. VA (Volt-Amp) ratings are also a common method for measuring power but provide less accurate results. On APC.COM, VA values are often shown for convienience and may be entered as input data. However, VA values are always translated into Watts. This translation is done using an approximation formula which assumes that low VA loads have a power factor of around 0.6 and high power loads have a power factor of nearly 1.0, which is representative of typical, (but not all) computing equipment. For highest precision, use Watt values where available.

The translator below shows how VA can be converted to Watts using the APC.COM formula: